Finding the Third Proportional to 1,248,243 and 2,688,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,243 : 2,688,760 = 2,688,760 : x
2. Step 2: Convert to fraction form
   1,248,243/2,688,760 = 2,688,760/x
3. Step 3: Cross multiply
   1,248,243x = 2,688,760 × 2,688,760
4. Step 4: Simplify right side
   1,248,243x = 7,229,430,337,600
5. Step 5: Solve for x
   x = 7,229,430,337,600/1,248,243
6. Step 6: Final answer
   x = 5,791,685.06